Why Buy a 6L90 Transmission from Fraser Engines?

When it’s time to replace your heavy-duty truck or commercial vehicle’s automatic transmission, you need more than a used core or a partial rebuild — you need a fully remanufactured 6L90 transmission engineered for strength, longevity, and real world performance. The 6L90 is GM’s heavy-duty 6-speed automatic designed for high torque, large engines, towing, and sustained load conditions. Fraser Engines delivers one of the industry’s most trusted remanufactured 6L90 transmissions available.

Fraser Engines remanufactures each unit from the ground up using updated components, precision assembly, and rigorous testing. Every transmission is built to outperform used or rebuilt cores and comes backed by strong warranty protection and expert support.

🔧 Heavy-Duty Remanufacturing — Built for Real Work

A remanufactured 6L90 from Fraser Engines includes:

✔ Complete teardown and cleaning of every component
✔ New clutches, steels, seals, gaskets, bearings, and bushings
✔ Remanufactured valve body with corrected hydraulic control
✔ Updated torque converter, balanced and pressure tested
✔ Internal upgrades to address known shift fatigue and wear points

This full reman process restores proper line pressure, clutch performance, hydraulic accuracy, and converter lock-up — delivering a heavy-duty transmission that performs like new.

🛠 Tested for Performance & Longevity

Each Fraser Engines 6L90 transmission undergoes advanced dynamometer and load testing simulating real truck, SUV, and commercial use:

✔ Six-speed shift quality verification
✔ Hot and cold temperature cycles
✔ Torque converter performance validation
✔ Pressure curve and clutch engagement testing

This rigorous testing ensures your transmission won’t leave you stranded.

🚛 Designed for Heavy Trucks, Vans & Commercial Duty

The 6L90 is the heavy-duty evolution of the 6L80, engineered for:

• Chevrolet Silverado 2500HD / 3500HD

• GMC Sierra 2500HD / 3500HD

• Chevrolet Express 2500 / 3500 Vans

• GMC Savana 2500 / 3500 Vans

• Chassis cab platforms and commercial applications

Whether hauling a fifth wheel, towing trailers, or managing fleet duty cycles, a Fraser Engines reman 6L90 provides dependable power where you need it most.

🛡 Strong Warranty Protection

Fraser Engines backs every remanufactured 6L90 transmission with one of the industry’s best warranty programs:

✔ Nationwide parts & labor coverage (terms vary by program)
✔ Torque converter included in coverage
✔ Warranty claims handled directly by Fraser Engines
✔ Optional labor reimbursement per industry book time

This isn’t a limited parts-only warranty — it’s real protection designed for heavy-duty use.

👨‍🔧 Expert Support from Transmission Specialists

When you buy a reman 6L90 from Fraser Engines, you’re supported by drivetrain professionals, not resellers or brokers. Our team provides:

✔ Pre-sale VIN and RPO verification
✔ Technical and fitment guidance
✔ Installation support if needed
✔ Post-sale warranty management and care

One trusted contact from purchase to installation and beyond.

Bottom Line

A remanufactured 6L90 transmission from Fraser Engines delivers:

✅ True ground-up remanufacturing — not a partial rebuild
✅ Updated internals and corrected wear points
✅ Included and tested reman torque converter
✅ Six-speed performance validation
✅ VIN-verified application fitment
✅ Nationwide warranty with labor coverage
✅ Expert drivetrain support

📞 Need pricing or fitment help?
Call 800-731-3177 and speak with a Fraser Engines transmission specialist today.